be more strict about ignoring dist/distdir
Revert "fix c3 inheritance for Moo classes"

This reverts commit 123ac7948c31d32d3d8bc4fec69a092a74f9e6a8.
fix quoting after revert
fix multiple inheritance tests for expected behavior
fix some cases of Moo with non-Moo C3 classes
remove dead code for forcing a superclass when building a constructor